若x=-2是方程2x+3=x3-a的解,则代数式a-1a2的值是( ) A.0 B.

题型:选择题

问题:

若x=-2是方程2x+3=
x
3
-a的解,则代数式a-
1
a2
的值是(  )
A.0B.-8
2
3
C.-
2
9
D.
2
9
考点:一元一次方程的解法
题型:选择题
补全对话
A. Why don't you go to the computer museums?
B. I don't like science museums.
C. History museums are boring.
D. What kind of museums do you like history? Science? A children's museum?
E. I think we can get there by taxi.
F. That's great idea!
G. What about history museum?
Mother: Could you tell me if there is a good museum in Sunville?
Clerk: Well, we have several.    1   
Father: How about history? I like history museums. They're fascinating.
Girl1: Or, Dad    2   . Let's go to the children's museum.    3   . I want to go to the children's museum, They're more fun.
Gir12: Well, I'm too old for a children's museum. Why don't we go to an art museum?
Clerk:    4    There are a lot of fun things for children there, you can learn all about the history of computers, as well
           as learn about science.
Family:    5    Let's go to the computer museum.
题型:选择题

子宫峡部的下界为

A.组织学内口

B.组织学外口

C.解剖学内口

D.解剖学外口

E.宫颈内口

题型:选择题

某次测验有50道判断题,每做对一题得3分,不做或做错一题倒扣1分,某学生共得82分,问答对题数和答错题数相差多少( )

A.33

B.99

C.17

D.16

题型:选择题

属于WHO专家推荐的镇痛三阶梯方法中第一阶药物的是()

A.阿司匹林

B.强痛定

C.可待因

D.哌替啶

E.吗啡

题型:选择题

下列有关经纬线的叙述,正确的是()

A.地轴与经线的长度相等

B.本初子午线的长度不到赤道长度的二分之一

C.任何经线圈都长于任何纬线圈

D.任何经线圈都短于任何纬线圈

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